Continuity mistake: The father requests that his daughter get him her battery TV. She gets a white television. Later, when she finds her father asleep watching bowling the TV is now black, but roughly the same size. The TV becomes white again during the next scenes.

Continuity mistake: When Annie is telling Johnny to get away from the edge at the roof you can see her standing several feet away from him. When the critter bounces at Johnny making him fall over the edge you see Annie grabbing him. There is no way she could have gotten to him that fast.